21 systems engineer iii jobs at 12 companies in Hagerstown, MD

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Systems Engineer III-VI
Gaithersburg or Rockville
$120k-$215k/yr HybridFull Time
X-energy
X-energyNasdaq Global Select Market: XE: Public U.S. nuclear technology designing advanced small modular reactors and manufacturing TRISO-X fuel for clean-energy customers.
5+ YOEBachelor’s degree in engineering from an ABET-accredited institution, systems engineering software experience, and 5–20 years of engineering experience depending on level. Master’s or Ph.D. may substitute for some experience.
Product Lifecycle Management (PLM), Teamcenter PLM, Cameo, Capella, Genesys, SysML, DOORS
2mo
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Senior Systems Engineer (Engineer III)
Rockville, Maryland, United States
$140k-$180k/yr OnsiteFull Time
Quantum Space
Quantum Space: Private U.S. space-defense building maneuverable spacecraft for national-security, civil, and commercial operators.
8+ YOEBachelor's degree in a technical discipline, 8+ years engineering experience in aerospace/spacecraft systems, experience with flight and ground software, systems engineering, interface management, and strong communication skills; US person/authorization required.
C, C++, Python
1d
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Systems Engineer III - Federal
Herndon or Virginia
FieldFull Time
Unlimited Technology
Unlimited Technology: Private U.S. security integrator delivering physical, electronic, IT, cyber, and managed services to commercial and government clients.
5+ YOERequires 5+ years in access control, video surveillance, and network design; security platform, Windows Server, network, firewall, government systems, Microsoft Office, and communication skills; bachelor's degree or equivalent; government clearance eligibility.
Genetec, Software House, Lenel, Gallagher, Milestone, Avigilon, Commend, Feenics, AMAG, Cisco, HP, Cisco CLI, Juniper, Windows Server, Microsoft Office, Microsoft Excel, Microsoft Outlook, Microsoft Word, PIV, CIV, FICAM, HSPD-12, FIPS 201-2, VLAN
4d
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Systems Security Engineer III
Southern Pines or Hagerstown
OnsiteFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Aerospace and national security contractor providing innovative technology solutions.
Bachelor's degree or equivalent experience, 5+ years in IT security, IAT Level III certification, application security testing experience, and knowledge of DoD STIGs, NIST publications, networking, and operating systems.
NIST Risk Management Framework, eMASS, XACTA, ACAS, Tenable Nessus, SCAP Compliance Checker, SAST, DAST, SCA, DevSecOps, Kubernetes, CNCF
1mo
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Sr. Systems Engineer III (6706)
Herndon or Reston or Tysons Corner
$166k-$202k/yr HybridFull Time
MetroStar
MetroStar: AI-enabled technology services provider delivering transformation, cybersecurity, and modernization solutions to U.S. defense and national-security agencies.
10+ YOEActive TS/SCI with CI Polygraph,10+ years technical leadership,advanced degree preferred,hands-on AI/ML,MLOps,data pipelines,AWS/Azure,containerization,DoDAF and SAFe experience.
MLOps, DoDAF, SAFe, AWS, Azure
3w
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(USA) Systems and Infrastructure Engineer III, Information Security
Sunnyvale or Herndon
$108k-$234k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Global retail, e-commerce, and supply chain.
2+ YOEBachelor's degree plus 2 years or 4 years of systems and infrastructure engineering experience; requires WAF, DDoS, network protocols, log tools, scripting, and Azure or GCP knowledge.
Web Application Firewall (WAF), TCP/IP, IPSec, HTTPS, SSL, Content Delivery Networks (CDNs), Splunk, Kibana, ArcSight, Azure, GCP, Firewalls, DNS, Web Content Accessibility Guidelines (WCAG) 2.2 AA
3w
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(USA) Systems and Infrastructure Engineer III, Information Security
Sunnyvale or Herndon
$117k-$234k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Global retail, e-commerce, and supply chain.
2+ YOEBachelor's degree in a relevant field plus 2 years of systems engineering experience, or 4 years of related experience; expertise in WAF, DDoS, web protocols, log tools, scripting, Azure, and GCP.
Web Application Firewall (WAF), TCP/IP, IPSec, HTTPS, SSL, Content Delivery Networks (CDNs), Splunk, Kibana, ArcSight, Azure, GCP, Firewalls, DNS, Web Content Accessibility Guidelines (WCAG) 2.2 AA
1d
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Mechanical Engineer III
Ashburn, Virginia, United States
HybridFull Time
CPG Beyond
CPG Beyond: Private data center provider designing, building, and operating facilities for hyperscalers, enterprises, colocation providers, and public-sector customers.
3+ YOEBachelor's degree in mechanical engineering, 3–5 years designing mechanical systems in mission-critical environments, CAD and Microsoft Office proficiency, and ability to travel up to 20%.
CAD, Microsoft Office, AutoCAD, Revit, Employee Assistance Program (EAP)
2mo
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LEAD IT SYSTEMS ENGINEER - PUB SEC (HERNDON, VA, US, 20171)
Herndon, Virginia, United States
$145k-$194k/yr OnsiteFull Time
Lumen Technologies
Lumen TechnologiesNYSE: LUMN: Public telecommunications providing enterprise networking, fiber connectivity, cloud, security, and managed services to organizations.
6+ YOETS/SCI clearance required; 6+ years enterprise network design experience (or 12 years in lieu of degree); expertise in Layer 2/3 protocols (BGP, IS-IS, MPLS, OSPF, multicast); CCNA or JNCIA required (CCNP/JNCIP preferred); MS Office/Visio; Tier III support and mentoring experience.
Microsoft Office, Microsoft Visio, Ethernet test sets, packet capture tools, protocol analyzers
1mo
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Systems Development Engineer III, ISV Integration, Region Product Management- Region Services
Arlington or Herndon
$151k-$205k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Multinational technology focused on e-commerce and cloud computing.
4+ YOERequires active TS/SCI with polygraph, 4+ years professional software/systems development, 3+ years programming in languages like C++, C#, Java, Python, Go, PowerShell, or Ruby, experience with ISV/SaaS integration and systems design.
C++, C#, Java, Python, Golang, PowerShell, Ruby
1mo
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Senior Infrastructure / DevSecOps Engineer (RF Ground Systems)
Denver or Sarasota or Sterling
$82k-$172k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
5+ YOE5+ years Infrastructure/DevOps experience, strong Kubernetes and cloud (AWS/GCP/Azure) skills, CI/CD and automation expertise, scripting in Python/Bash, IAT II/III or equivalent security certs, active TS/SCI with Polygraph.
Kubernetes, GitLab, Python, Shell, Helm, Argo CD, AWS, GCP, Azure, Jenkins, GitHub Actions, Bash, GitHub workflows, Docker, Podman, Terraform, CloudFormation, Prometheus, Grafana
3mo
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SATCOM/Network Engineer III
Mt. Weather, Virginia, United States
$87k-$182k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
8+ YOEActive TS/SCI with poly required, 8+ years network engineering experience, expertise with Juniper, routing protocols (OSPF, BGP, MPLS), SATCOM/VSAT systems, IP services to NIPR/SIPR/JWICS, and network analysis tools.
Juniper, Forward Networks, HP Network Node Manager, Riverbed, Starshield, OSPF, BGP, MPLS, SNMP, VOIP, VTC, VPN, IPv4, NIPRNET, SIPRNET, JWICS, VSAT, SCPC, TDMA, SDN, QOS, Multicast
1mo
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Building Engineer III, Rotating Shift, Operations Facilities
Rockville, Maryland, United States
$28-$40/hr OnsiteFull Time
Adventist HealthCare Shady Grove Medical Center
Adventist HealthCare Shady Grove Medical Center: Faith-based nonprofit acute-care hospital providing comprehensive medical, surgical, pediatric, cancer, maternity, and mental-health services.
5+ YOEHigh school diploma, 5+ years trades/facilities experience, journeyman-level credentials, certifications in multiple building systems, valid driver’s license, ability to perform HVAC/plumbing/electrical maintenance.
CMMS, Building Automation System (BAS), Energy Management System (EMS)
2mo
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LVC Engineering Technician III
Coronado or San Diego or Ashburn or Sierra Vista or United States
$75k-$83k/yr OnsiteFull Time
VETS
VETS: Service-disabled veteran- and woman-owned IT contractor providing technology and management services to government and commercial clients.
4+ YOEDoD Secret clearance required. 4 years electronic/computer systems maintenance experience; Security+ certification within 6 months. HS diploma required; associate's preferred. Familiarity with networking, IA, and naval operations (preferred).
SIMDIS, Network Enterprise Tactical Training Network (NETTN), SCTTR, Common Operational Picture (COP), TTGP
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Technical Program Manager - Data Center MEP Design
Tempe or Mesa or Arizona or Harquahala or Bastrop County or Herndon or Denver or Amsterdam or Singapore or Johor
HybridFull Time
EdgeConneX
EdgeConneX: Global sustainable data center provider operating facilities for cloud, AI, content, network, and enterprise customers.
10+ YOEBachelor’s degree in engineering, 10+ years in data center construction, commissioning, or hyperscale infrastructure, Tier III+ delivery experience, and expertise in MEP systems, project management, and stakeholder leadership.
HVAC, BMS/SCADA, Primavera P6, Microsoft Project, Uptime, TIA, NFPA, IEC, ISO, PUE, WUE, SOPs, MOPs, EOPs